* {
    padding: 0;
    margin: 0;
}
body {
    font: 14px 'microsoft yehei';
    font-weight: 300;
    background-color: white;
    background-image: url(../images/city.jpg);
    background-position: center center;
    background-repeat: no-repeat;
    background-size: cover;
    background-attachment: fixed;
    background-color: #fff;
}
a {
    text-decoration: none;
}